Reticulated Foam for Filtration Control

Filtering air properly and efficiently can be a challenge. We have developed an assortment of reticulated urethane foams to assist with filtration control. Our POLYTECH^® foam is lightweight, low odor, and highly resistant to mildew, making it ideal for use as a heavy-duty air filter.

Our POLYTECH^® reticulated urethane foams are suitable for use in a variety of industries including HVAC, medical, and mass transportation to filter air. View our selection of products below.

Download Technical Data Sheets

POLYTECH^® Reticulated Foam, Type - S (PRF-S)

POLYTECH^® Reticulated Foam, Type - S (PRF-S), is an ester-based urethane foam in which the membrane windows of the foam’s cell structure have been thermally removed.

POLYTECH reticulated foam ester-based for filtration control

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Density: 1.8 lb/ft³
Temperature Range: -40°F to +225°F
Flammability: UL900 Class 2 Filter Media
Available in a range of pore sizes from 10 to 90 ppi
Completely open celled, consistent cell structure
Easily fabricated for a wide variety of uses

Applications typically include heavy-duty air filters for trucks, buses, and off-highway equipment.

POLYTECH^® Reticulated Foam, Type - T (PRF-T)

POLYTECH^® Reticulated Foam, Type - T (PRF-T) is an ether-based urethane foam. As with Type – S, the membrane windows of the foam’s cell structure have been thermally removed.

POLYTECH Reticulated foam ether-based for filtration control

Density: 1.8 lb/ft³
Temperature Range: -40°F to +225°F
Flammability: UL900 Class 2 Filter Media
Available in a range of pore sizes from 10 to 60 ppi
Increased stiffness over the Type S reticulated foams; Hydrolytically stable

Applications typically include heavy-duty air filters for trucks, buses, and off-highway equipment.

POLYTECH^® Reticulated Felted Foam (PRFF-900ZB)

POLYTECH^® Reticulated Felted Foam (PRFF-900ZB) is a flexible compressed urethane foam. PRFF is made from a reticulated ester or ether based polyurethane open-cell foam.

Density: 5.7 lb/ft³ (after compression)
Temperature Range: -40°F to +225°F
Flammability: UL900 Class 2 Filter Media
Exceptional sound attenuation, effective over a wide range of frequencies
Exhibits outstanding filtration efficiency, high physical strength, excellent abrasion resistance, and oil wicking characteristics

Applications typically include medical and business equipment.

Reticulated Foam for Filtration Control

POLYTECH® Reticulated Foam, Type - S (PRF-S)

POLYTECH® Reticulated Foam, Type - T (PRF-T)

POLYTECH® Reticulated Felted Foam (PRFF-900ZB)

Custom Filtration Applications Available

POLYTECH^® Reticulated Foam, Type - S (PRF-S)

POLYTECH^® Reticulated Foam, Type - T (PRF-T)

POLYTECH^® Reticulated Felted Foam (PRFF-900ZB)